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Editorial Team
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Asked: 2026-05-24T01:14:00+00:00

I have a web app that populates user page history into the local storage.

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I have a web app that populates user page history into the local storage. Ahem. It should be sessionStorage, which I have now changed so that it doesn’t persist.

But that left me with an interesting problem: a full localStorage to be emptied. I know you can edit the storage in the developer console to remove the data, but imagine I wanted to use localStorage for whatever reason, and at some point I wanted to completely delete the contents of data that I had placed there programmatically.

I understand local storage is domain specific so this should not be a problem – but my question is how do I globally identify my data and then delete it?

Is there a single js expression that I could use that will just wipe out my data in one hit? Or am I stuck with using naming conventions for my key and then using a reg-ex to select all the keys?

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1 Answer

  1. Editorial Team

    As easy as:

    localStorage.clear();

    Spec: http://dev.w3.org/html5/webstorage/#dom-storage-clear

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